*Ḍavāka) was a kingdom of ancient Indian subcontinent, located in current central region of Assam state.

[2] The references to it comes from the 4th century Allahabad pillar inscription of Samudragupta, where it is mentioned as one of five frontier kingdoms of the Gupta Empire.

[9][10] Historians such as B. N. Puri (1968) and P. C. Choudhury (1959) claim that it was absorbed much earlier in the first half of the 5th century during the reign of Kalyana Varman (422–446).

In the year 428 AD, an ambassador was sent to China by Davaka king, whose name according to Chinese sources is Yuegnai or Yu Chai.

[13] Gatchal Stone Pillar inscription mention that the Yavana(Muslim) crossed the boundary to move east to reach Davaka in 1362 (saka 1284).